"For Christmas 2009 the Really Interesting Group wanted to create a a gift comprising a series of 4 unique decorations based on each recipient’s use of the Flickr, Dopplr, Last.fm and Twitter. Having used a couple of the software APIs they were thinking about using (flickr and dopplr) and with experience of rapid prototyping we worked together to turn the data into something physical." Can't believe I haven't linked this already. Ours were wonderful; many thanks to RIG and Andy.